6399440

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 14999040

約数和(自身を除く): 8599600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 479, 668, 835, 958, 1336, 1670, 1916, 2395, 2672, 3340, 3832, 4790, 6680, 7664, 9580, 13360, 19160, 38320, 79993, 159986, 319972, 399965, 639944, 799930, 1279888, 1599860, 3199720, 6399440]

約数ペア:

[(1, 6399440), (2, 3199720), (4, 1599860), (5, 1279888), (8, 799930), (10, 639944), (16, 399965), (20, 319972), (40, 159986), (80, 79993), (167, 38320), (334, 19160), (479, 13360), (668, 9580), (835, 7664), (958, 6680), (1336, 4790), (1670, 3832), (1916, 3340), (2395, 2672)]